C. Chang, R. Stachowitz, and J. Combs. Tools for Artificial Intelligence, 1990.,Proceedings of the 2nd International
IEEE Conference on, (November 1990)
B. Hu, S. Dasmahapatra, P. Lewis, and N. Shadbolt. Tools with Artificial Intelligence, 2003. Proceedings. 15th IEEE
International Conference on, page 77--82. (2003)